low oven flame?

im having the same problem my rangemaster 55 is nearly 15yrs old dont no if u can stil get the parts for it scared 2 call somebody out incase they charge a fortune n then tell me they cant get the part is it worth getting fixed?the rest of my cooker absolutely fine infact it dont look its age as its been well looked after.ive looked up a good few websites most answers are the flame failure device has packed in another 1 says its the actual knob for the cooker not telling the oven 2 increase the flame and another answer was 2 change the flow valve.are these expensive jobs 2 sort out??? That i dont no giv us some answers please n thanks margaret

margaret c
May 2010